#399

frontend/src/lib/postImportRows.ts

@@ -1,4 +1,5 @@
-import type { PostImportResultRow,
+import type { PostImportEditableDraft,
+	      PostImportResultRow,
 	      PostImportRow } from '@/lib/postImportTypes'
 
 const hasSkipReason = (row: PostImportRow): boolean =>
@@ -112,6 +113,54 @@ export const resultRowWarnings = (row: PostImportRow): string[] =>
         ...Object.values (row.fieldWarnings ?? { }).flat (),
         ...row.baseWarnings])]
 
+export const buildNextEditedRow = (
+    editingRow:  PostImportRow,
+    draft:       PostImportEditableDraft,
+    urlChanged:  boolean,
+): PostImportRow => {
+    const nextProvenance = { ...editingRow.provenance }
+    const nextAttributes = { ...editingRow.attributes }
+    const nextTagSources = {
+	automatic: editingRow.tagSources?.automatic ?? '',
+	manual: editingRow.tagSources?.manual ?? '' }
+    const draftFields = [
+	['title', draft.title],
+	['thumbnailBase', draft.thumbnailBase],
+	['originalCreatedFrom', draft.originalCreatedFrom],
+	['originalCreatedBefore', draft.originalCreatedBefore],
+	['duration', draft.duration],
+	['parentPostIds', draft.parentPostIds]] as const
+    draftFields.forEach (([field, value]) => {
+	nextAttributes[field] = value
+	nextProvenance[field] =
+	    value !== String (editingRow.attributes[field] ?? '')
+	    ? 'manual'
+	    : (editingRow.provenance[field] ?? 'automatic')
+    })
+    nextAttributes.tags = draft.tags
+    if (draft.tags !== String (editingRow.attributes.tags ?? ''))
+      {
+	nextProvenance.tags = 'manual'
+	nextTagSources.manual = draft.tags
+      }
+    else
+      {
+	nextProvenance.tags = editingRow.provenance.tags ?? 'automatic'
+	nextTagSources.manual = editingRow.tagSources?.manual ?? ''
+      }
+
+    return {
+	...editingRow,
+	url: draft.url,
+	attributes: nextAttributes,
+	provenance: {
+	    ...nextProvenance,
+	    url: urlChanged ? 'manual' : (editingRow.provenance.url ?? 'manual') },
+	tagSources: nextTagSources,
+	importStatus: editingRow.importStatus === 'created' ? 'created' : 'pending',
+	importErrors: undefined }
+}
+
 
 export const hasExactSourceRows = (
     expected: number[],
@@ -121,7 +170,7 @@ export const hasExactSourceRows = (
       return false
 
     const expectedSorted = [...expected].sort ((a, b) => a - b)
-    const actualSorted = actual.map (_1 => _1.sourceRow).sort ((a, b) => a - b)
+    const actualSorted = actual.map (row => row.sourceRow).sort ((a, b) => a - b)
     return expectedSorted.every ((value, index) => value === actualSorted[index])
 }